Critical fix!

This release fixes a breaking change made in Swift NIO back in 2019
Other notable change is the switch Swift tooling to version 5.4

OSC <3 NIO

OSCCore is now powered by Apple's Swift NIO!
ATTENTION! This is a breaking change! Your code must also be ported to Swift NIO to use OSCCore.

Completed OSC Specification 1.0

OSCCore now conforms to OSC 1.0!

Hello Swift 4

This release welcomes Swift 4. It also contains important bugfixes

• Fix broken OSC timestamp serialization and date conversion
• OSCBundles were not recognized

Minor fixes and improvements

This is a bugfix release that addresses issue #5.